4,676,305 (July 2010 est.) country comparison to the world: 118
Age structure:
0-14 years: 18.5% (male 441,508/female 422,050)
15-64 years: 66.2% (male 1,564,482/female 1,522,519)
65 years and over: 15.2% (male 305,120/female 404,860) (2010 est.)
Median age:
total: 39.7 years
male: 38.8 years
female: 40.5 years (2010 est.)
Population growth rate: